#region MigraDoc - Creating Documents on the Fly
//
// Authors:
//   Klaus Potzesny
//
// Copyright (c) 2001-2019 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://www.migradoc.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using MigraDoc.DocumentObjectModel;

namespace MigraDoc.RtfRendering
{
    /// <summary>
    /// Renders headers and footers to RTF.
    /// </summary>
    internal class HeadersFootersRenderer : RendererBase
    {
        internal HeadersFootersRenderer(DocumentObject domObj, RtfDocumentRenderer docRenderer)
            : base(domObj, docRenderer)
        {
            _headersFooters = domObj as HeadersFooters;
        }


        /// <summary>
        /// Renders a section's headers and footers to RTF.
        /// </summary>
        /* The MigraDoc DOM page setup properties, the MigraDoc DOM headers and the
         * RTF Controls For left, right and first header/footer 
         * and the RTF flag titlepg are related as follows.
         * 
         * |  First | OddEvn | | Left  | Right | First |TitlePg |
         * ------------------------------------------------------
         * |  True  | True   | | EvnPg | Prim  | First |  True  |
         * |  False | False  | | Prim  | Prim  |   -   |  False |
         * |  True  | False  | | Prim  | Prim  | First |  True  |
         * |  False | True   | | EvnPg | Prim  |   -   |  False |
        */
        internal override void Render()
        {
            _useEffectiveValue = true;
            object obj = GetValueAsIntended("Primary");
            if (obj != null)
                RenderHeaderFooter((HeaderFooter)obj, HeaderFooterIndex.Primary);

            obj = GetValueAsIntended("FirstPage");
            if (obj != null)
                RenderHeaderFooter((HeaderFooter)obj, HeaderFooterIndex.FirstPage);

            obj = GetValueAsIntended("EvenPage");
            if (obj != null)
                RenderHeaderFooter((HeaderFooter)obj, HeaderFooterIndex.EvenPage);
        }

        /// <summary>
        /// Renders a single header footer.
        /// </summary>
        private void RenderHeaderFooter(HeaderFooter hdrFtr, HeaderFooterIndex renderAs)
        {
            HeaderFooterRenderer hfr = new HeaderFooterRenderer(hdrFtr, _docRenderer);
            hfr.PageSetup = _pageSetup;
            hfr.RenderAs = renderAs;
            hfr.Render();
        }

        /// <summary>
        /// Sets the PageSetup (It stems from the section the HeadersFooters are used in).
        /// Caution: This PageSetup might differ from the one the "parent" section's got
        /// for inheritance reasons.
        /// </summary>
        internal PageSetup PageSetup
        {
            set
            {
                _pageSetup = value;
            }
        }
        private HeadersFooters _headersFooters;
        private PageSetup _pageSetup;
    }
}
